1342423689 has 4 divisors (see below), whose sum is σ = 1789898256. Its totient is φ = 894949124.

The previous prime is 1342423627. The next prime is 1342423769. The reversal of 1342423689 is 9863242431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1342423689 - 2⁷ = 1342423561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1342423689.

It is not an unprimeable number, because it can be changed into a prime (1342423609) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223737279 + ... + 223737284.

It is an arithmetic number, because the mean of its divisors is an integer number (447474564).

Almost surely, 2^1342423689 is an apocalyptic number.

It is an amenable number.

1342423689 is a deficient number, since it is larger than the sum of its proper divisors (447474567).

1342423689 is an equidigital number, since it uses as much as digits as its factorization.

1342423689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447474566.

The product of its digits is 248832, while the sum is 42.

The square root of 1342423689 is about 36639.1005484578. The cubic root of 1342423689 is about 1103.1380610437.

The spelling of 1342423689 in words is "one billion, three hundred forty-two million, four hundred twenty-three thousand, six hundred eighty-nine".